Volcanic Ash Advisory Center Washington (VAAC) issued the following report:FVXX20 at 03:10 UTC, 20/11/25 from KNESVA ADVISORYDTG: 20251120/0308ZVAAC: WASHINGTONVOLCANO: REVENTADOR 352010PSN: S0004 W07739AREA: ECUADORSOURCE ELEV: 11686 FT AMSLADVISORY NR: 2025/1165INFO SOURCE: GOES-19. NWP MODELS. ERUPTION DETAILS: ONGOING VA EMSEST VA DTG: 20/0240ZEST VA CLD: SFC/FL140 S0004 W07739 - S0005 W07739- S0010 W07741 - S0008 W07744 - S0004 W07739 MOVSW 5KT FCST VA CLD +6HR: 20/0830Z SFC/FL140 S0004 W07740- S0005 W07739 - S0008 W07750 - S0004 W07750 -S0004 W07740 FCST VA CLD +12HR: 20/1430Z SFC/FL140 S0001W07753 - S0004 W07739 - S0005 W07740 - S0007W07753 - S0001 W07753 FCST VA CLD +18HR: 20/2030Z SFC/FL140 N0004W07745 - S0004 W07740 - S0005 W07740 - S0002W07749 - N0004 W07745 RMK: VA NOT DETECTED ON STLT DUE TO THK WX CLDSIN SUMMIT AREA. VA EMS LIKELY CONTINUE GIVEN RECENTACTVTY. MDL WINDS AT FL LGT/VRB SO VA PSN CONF LOT+0 THRU +18 HR ...KONONNXT ADVISORY: WILL BE ISSUED BY 20251120/0915Z